FI892925A - System for controlling sheet properties in the transverse or machine direction during sheet production in a sheet making machine - Google Patents

System for controlling sheet properties in the transverse or machine direction during sheet production in a sheet making machine Download PDF

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Publication number
FI892925A
FI892925A FI892925A FI892925A FI892925A FI 892925 A FI892925 A FI 892925A FI 892925 A FI892925 A FI 892925A FI 892925 A FI892925 A FI 892925A FI 892925 A FI892925 A FI 892925A
Authority
FI
Finland
Prior art keywords
sheet
transverse
direction during
controlling
properties
Prior art date
Application number
FI892925A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI98563B (en
FI892925A0 (en
Inventor
Ramesh Balakrishnan
Original Assignee
Measurex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22770444&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI892925(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Measurex Corp filed Critical Measurex Corp
Publication of FI892925A0 publication Critical patent/FI892925A0/en
Publication of FI892925A publication Critical patent/FI892925A/en
Application granted granted Critical
Publication of FI98563B publication Critical patent/FI98563B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/16—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a moving sheet or film
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper paper sheets
FI892925A 1988-06-15 1989-06-14 System for controlling sheet properties in the transverse or machine direction during sheet production in a sheet making machine FI98563B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/207,412 US4965736A (en) 1988-06-15 1988-06-15 Cross-directional control of sheetmaking systems

Publications (3)

Publication Number Publication Date
FI892925A0 FI892925A0 (en) 1989-06-14
FI892925A true FI892925A (en) 1989-12-16
FI98563B FI98563B (en) 1997-03-27

Family

ID=22770444

Family Applications (1)

Application Number Title Priority Date Filing Date
FI892925A FI98563B (en) 1988-06-15 1989-06-14 System for controlling sheet properties in the transverse or machine direction during sheet production in a sheet making machine

Country Status (7)

Country Link
US (1) US4965736A (en)
EP (1) EP0351260B1 (en)
JP (1) JP2980916B2 (en)
KR (1) KR900000547A (en)
CA (1) CA1334995C (en)
DE (1) DE68909529T2 (en)
FI (1) FI98563B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5170357A (en) * 1989-10-31 1992-12-08 Yokogawa Electric Corporation Paper machine controller for operating slices and method of controlling the same
EP0487003B1 (en) * 1990-11-20 1997-07-09 Canon Kabushiki Kaisha Slope detection method, and information detection/writing apparatus using the method
JP2919119B2 (en) * 1991-06-05 1999-07-12 キヤノン株式会社 Scanning probe microscope and recording / reproducing device
US5539634A (en) * 1993-09-03 1996-07-23 Measurex Corporation Sheetmaking system identification using synthetic measurement produced from redundant noisy measurements
US5400258A (en) * 1993-09-03 1995-03-21 Measurex Corporation Automatic cross-directional control zone alignment for sheetmaking systems
US5781440A (en) * 1993-12-02 1998-07-14 Siemens Aktiengesellschaft Process and device for monitoring the cross-sectional profile of a continuously produced web of material
US5684707A (en) * 1994-10-03 1997-11-04 Westvaco Corporation Apparatus and method for analyzing paper surface topography
US5583782A (en) * 1994-11-10 1996-12-10 Measurex Devron Inc. Caliper profile control system for paper machine providing reduced start up times
US5636126A (en) * 1995-07-24 1997-06-03 Measurex Devron, Inc. Process for transforming a high resolution profile to a control profile by filtering and decimating data
US5770129A (en) * 1995-12-22 1998-06-23 Honeywell Measurex Devron, Inc. Apparatus and method for controlling mass flow in an extrusion die
US5893055A (en) * 1997-05-30 1999-04-06 Abb Industrial Systems, Inc. Two-dimensional web property variation modeling and control
US6343240B1 (en) * 1997-12-29 2002-01-29 Neles Paper Automation Oy Method for identifying plural relations in a sheet manufacturing process
US6850857B2 (en) 2001-07-13 2005-02-01 Honeywell International Inc. Data fusion of stationary array sensor and scanning sensor measurements
US6807510B1 (en) 2003-05-05 2004-10-19 Honeywell Acsa Inc. Model predictive controller for coordinated cross direction and machine direction control
JP2006103066A (en) * 2004-10-01 2006-04-20 Mitsubishi Heavy Ind Ltd Control unit of sheet manufacturing apparatus, sheet manufacturing apparatus, control method of sheet manufacturing apparatus and program executed by computer
US7459060B2 (en) * 2005-08-22 2008-12-02 Honeywell Asca Inc. Reverse bump test for closed-loop identification of CD controller alignment
JP4906386B2 (en) * 2006-03-30 2012-03-28 横河電機株式会社 Profile control method and apparatus
JP5012075B2 (en) * 2007-02-15 2012-08-29 横河電機株式会社 Process control device
US8790495B2 (en) * 2008-03-17 2014-07-29 Abb Ltd. Web production with increased process efficiency
JP4518175B2 (en) * 2008-04-08 2010-08-04 トヨタ自動車株式会社 Web meandering correction apparatus and web meandering correction method
US8155932B2 (en) * 2009-01-08 2012-04-10 Jonas Berggren Method and apparatus for creating a generalized response model for a sheet forming machine
US8209048B2 (en) * 2009-01-12 2012-06-26 Abb Automation Gmbh Method and apparatus for creating a comprehensive response model for a sheet forming machine
US20100198364A1 (en) * 2009-02-05 2010-08-05 Shih-Chin Chen Configurable Multivariable Control System
JP2013007667A (en) * 2011-06-24 2013-01-10 Ulvac Japan Ltd Measurement accuracy improvement method in stylus type step profiler for surface shape measurement and device
US9067752B2 (en) * 2013-07-02 2015-06-30 Ricoh Company, Ltd. Frequency-based web steering in printing systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496344A (en) * 1964-06-19 1970-02-17 Industrial Nucleonics Corp Statistical variance component analysis of sheet materials and the like using frequency-domain filter techniques
US3557351A (en) * 1967-04-12 1971-01-19 Industrial Nucleonics Corp Property measurement signal filtering method and apparatus for eliminating predetermined components
NL6706427A (en) * 1967-05-08 1967-07-25
US3673865A (en) * 1971-04-21 1972-07-04 Westvaco Corp Method and apparatus for orthogonal variables
US4453404A (en) * 1982-11-22 1984-06-12 The Mead Corporation Method and apparatus for determining statistical characteristics of sheet material
US4707779A (en) * 1984-11-20 1987-11-17 Measurex Corporation Process for controlling a parameter based upon filtered data
US4674045A (en) * 1984-12-31 1987-06-16 Picker International Inc. Filter for data processing
US4648712A (en) * 1985-02-04 1987-03-10 Champion International Corporation Apparatus and method for analyzing parameters of a fibrous substrate
US4735087A (en) * 1987-01-20 1988-04-05 Westvaco Corporation In situ papermachine web sound velocity test

Also Published As

Publication number Publication date
DE68909529T2 (en) 1994-03-31
EP0351260B1 (en) 1993-09-29
KR900000547A (en) 1990-01-30
EP0351260A2 (en) 1990-01-17
EP0351260A3 (en) 1990-10-31
JP2980916B2 (en) 1999-11-22
DE68909529D1 (en) 1993-11-04
FI98563B (en) 1997-03-27
US4965736A (en) 1990-10-23
CA1334995C (en) 1995-03-28
FI892925A0 (en) 1989-06-14
JPH0243158A (en) 1990-02-13

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Legal Events

Date Code Title Description
BB Publication of examined application
FC Application refused

Owner name: MEASUREX CORPORATION